<html>
		<head>
            	<meta charset="UTF-8">
				<title>Hello World!</title>
				<style>
					input{
						background-color:#ff0;
						color:#000;
					}
				</style>
		</head>
		<body>
				我来编程啦～～～～<br/>
				<input type="button" onclick="alert('wahhhhhh');" value="来呀！">
		</body>
</html>
